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    Wyświetlanie 1-8 z 8
    Tytuł:
    Is the use of green certification strategic or not?
    Autorzy:
    Danis, M.
    Acar, A. Z.
    Arslan, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/2172498.pdf
    Data publikacji:
    2022
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    green shipping
    green certification
    seafarers
    Turkish waterways
    green port
    global supply chain
    Turkish ports
    Opis:
    Differentiation strategies are the most preferred strategies when it comes to surviving in a highly competitive environment. And the debate as to whether using sustainability for strategic positioning, e.g differentiation, is still a hot topic in literature. To that end, we investigated if green certification of 17 Turkish ports have been used with similar purpose. In this context, this study aims to find out whether the certification attempts of "green ports" in ports that are strategic nodes of global supply chains are strategically justified or just an action to catch up with other competitors. Drawing on qualitative analyses, a green port corpus content has been prepared. This corpus is comprised of 17 green certificated port CEOs’ interviews and their website contents. The results indicate that the Turkish ports generally carry out practices that follow the trends in the world, but they mostly implement them to imitate rather than being strategic.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2022, 16, 2; 203--209
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Maritime Green Solution for Traffic Congestion
    Autorzy:
    Petković, M.
    Zubčić, M.
    Krčum, M.
    Vujović, I.
    Powiązania:
    https://bibliotekanauki.pl/articles/116659.pdf
    Data publikacji:
    2020
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    marine traffic
    traffic congestion
    maritime green solution
    zero emission transfer
    port of split
    green shipping
    electric ship
    electric catamaran
    Opis:
    Traffic congestion is a wide problem in many tourist destinations. Airports are usually distant from the city centers. Hence, road and rail traffic are widely used to connect airports and city centers. In this paper, we propose zero-emission solution for connection between airport and the center at the example of Croatian city Split. Since Split has become a popular tourist destination, the number of vehicles during summer season increases. As a measure to decrease air pollution, in this paper the marine traffic by electric vessels is proposed for the route Split – airport. Seven all-electrical vessels are presented with their technical characteristics. The idea is to have zero emission transfers by sea from the center of the Split to the airport. The criteria for minimum cruising speed is set to 13 knots, which ensures that one crossing takes 30 minutes and makes it competitive with other forms of transport.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2020, 14, 1; 97-103
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Emission inventory of ships calling at the port of Dubrovnik
    Autorzy:
    Zekić, A.
    Ivče, R.
    Radonja, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/2172493.pdf
    Data publikacji:
    2022
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    green shipping
    CO2 emission
    air pollutant emission
    air environmental pollution
    Croatian ports
    maritime cruise market
    port of Dubrovnik
    emission inventory
    Opis:
    Cruising tourism is becoming increasingly popular, the number of cruises having seen a continuous increase since the 1970s. In Croatia as well there is an upward trend in the number of cruise passengers and ports. Of all Croatian ports, it is the port of Dubrovnik that has had the most calls by foreign cruisers. The paper analyses the available statistical data on the maritime cruise market in Europe with special reference to the Mediterranean countries. In the national context, a presentation of cruise traffic in the port of Dubrovnik is given. Although this type of tourism contributes to the development and improvement of the economy, it also has a negative impact on the environment through air pollution by CO2 emissions, subsequently affecting human health as well. The authors investigate the level of CO2 emissions in the area of the port of Dubrovnik. CO2 emissions were calculated based on cruiser activity, the calculations being based on CO2 emissions for three ship navigation modes - slow steaming on arrival and departure, manoeuvring on arrival and departure, and for a berthed ship. The aim of the research was to provide a better insight in the emission inventories in this area. This research can also be applied to other port areas.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2022, 16, 2; 219--223
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Solar generation estimation in electric power systems for prospective frequency control studies
    Autorzy:
    Martínez-García, A. A.
    Torres-Breffe, O. E.
    Vilaragut-Llanes, M.
    Delgado-Fernandez, O.
    Szpytko, J.
    Salgado-Duarte, Y.
    Powiązania:
    https://bibliotekanauki.pl/articles/2172499.pdf
    Data publikacji:
    2022
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    green shipping
    solar power
    electric power systems
    energy storage systems
    photovoltaic power generation
    cuban electrical system
    energy sources
    photo voltage solar generation
    Opis:
    Increasing the presence of non-conventional clean energy sources in Electrical Power Systems (EPS) is a global strategic goal. Particularly, photovoltaic systems are attractive due to their versatility, low maintenance cost, easy installation, noiselessness, etc. However, the integration of photovoltaic systems into EPS increases the necessary regulation actions performed by system generators due to stochastic fluctuations of solar radiation, especially on cloudy days. Even using complex models that consider many variables, solar irradiation and its corresponding photovoltaic power generation are difficult variables to forecast with accuracy in cloudy day scenarios. To address this problem, Energy Storage Systems (BESS) have been proposed as a solution to mitigate the variability of photovoltaic generation, which reduce the need to use traditional spinning reserves and provide auxiliary grid services. The BESS selection required to mitigate photovoltaic generation is directly related to the worst-case daily variability of photovoltaic generation in the short term. This paper proposes a practical estimation of daily perspective photo voltage solar generation curve in Electrical Power Systems.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2022, 16, 2; 211--217
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    How Do You Measure Green Culture in Shipping? The Search for a Tool Through Interviews with Swedish Seafarers
    Autorzy:
    Hammander, M.
    Karlsson, P.
    Österman, C.
    Hult, C.
    Powiązania:
    https://bibliotekanauki.pl/articles/116377.pdf
    Data publikacji:
    2015
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    Green Culture in Shipping
    Green Culture
    Seafarers
    Swedish
    Marine Environment
    Safety Culture
    Shipping Industry
    Commitment
    learning
    Empowerment and Communication (CLEC)
    Environmental Management System (EMS)
    Opis:
    Today, the shipping industry faces important environmental challenges to reduce the impact of sea transport to the marine environment. In order to enhance compliance and encourage safe and efficient maritime operations, the implementation of a safety culture in both shore organisation and on board ships has been advocated. Similarly, it can be argued that a conscious ‘greening’ of an organisation’s culture may be necessary in order to meet legislative and societal demands, as well as embrace environmentally responsible values, beliefs and behaviours. The present pilot study describes the development and evaluation of a model designed to capture attitudes and perception among seafarers with regards to proactive environmental work in the shipping industry. The overall aim of the model is to enable measurement of the extent to which a ‘green culture’ is present within the shipping industry, and to identify factors that either facilitate or act as barriers to a green culture. Evaluation of the model was done through qualitative individual and focus group interviews with, in all, 13 active Swedish seafarers during the autumn of 2014. The findings show that the model captures the sought after mechanisms fairly well and shows some promise. Future work is needed to further refine and test the model in a larger setting, in order to provide a robust picture of the seafarers’ view on ‘green’ shipping.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2015, 9, 4; 501-509
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Process of Judging Significant Modifications for Different Transportation Systems compared to the Approach for Nuclear Installations
    Autorzy:
    Petrek, N.
    Berg, H. P.
    Powiązania:
    https://bibliotekanauki.pl/articles/116039.pdf
    Data publikacji:
    2015
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    Nuclear Installations
    Green Culture in Shipping
    Transportation Systems
    Maritime Transportation
    EU Regulations
    Common Safety Method (CSM)
    Safety Management System (SMS)
    risk management
    Opis:
    The implementation of the CSM regulation by the European Commission in 2009 which harmonizes the risk assessment process and introduces a rather new concept of judging changes within the European railway industry. This circumstance has risen the question how other technology sectors handle the aspect of modifications and alterations. The paper discusses the approaches for judging the significance of modifications within the three transport sectors of European railways, aviation and maritime transportation and the procedure which is used in the area of nuclear safety. We will outline the similarities and differences between these four methods and discuss the underlying reasons. Finally, we will take into account the role of the European legislator and the fundamental idea of a harmonization of the different approaches.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2015, 9, 4; 511-520
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Challenges to Ship Hydrodynamics in the XXI Century
    Autorzy:
    Kobyliński, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/116543.pdf
    Data publikacji:
    2014
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    Hydrodynamics
    World Shipping
    Exploitation of Ocean Resources
    Environment Protection
    Structure of World Fleet
    offshore industry
    Ship Hydromechanics
    Green Ship Concept
    Opis:
    The beginning of twenty-first century is characterized with important changes in world shipping and exploitation of ocean resources. Three important trends are clearly visible: environment protection, safety and economy. They materialize in important changes in the structure of world fleet where some existing ship types are going to disappear and new ship types emerge. Increasing the size of some ship types is another visible tendency. Stress on environment protection has serious impact on the hydrodynamic characteristics of ships whether with regard to safety zero accident rate is the goal. Important challenges to ship hydrodynamics caused by those tendencies are discussed in the paper.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2014, 8, 3; 353-358
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Estimating shipping emissions – A case study for cargo Port of Zadar, Croatia
    Autorzy:
    Knezević, V.
    Pavin, Z.
    Čulin, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/2063981.pdf
    Data publikacji:
    2021
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    Port of Zadar
    air pollutant emission
    estimating shipping emissions
    nitrogen oxides
    particulate matter
    volatile organic compounds
    carbon dioxide
    green port
    Opis:
    Reducing air pollutant emissions and energy consumption, as a necessary step to make ports more sustainable, is one of the crucial tasks and challenges of port management. Some of the port strategies to meet the term “green port” usually include reducing fuel consumption from vessels and vehicles in ports. This paper estimates the emission inventory of maritime traffic for the cargo Port of Zadar. For this research, emissions from cargo ships are estimated in the period from January 01. 2018 until October 01. 2019. The “bottom-up” methodology has been applied for estimating emissions, which includes detailed data on the ship’s characteristics (engine power, the load factor, fuel type, the emission factor) and time spent cruising and hotelling. The emissions from cargo ships have been estimated for three ship’s activities: cruising in the reduced speed zone, hotelling (time spent at berth), and maneuvering. The emission results (tons/year) refer to the pollutants such as nitrogen oxides (NOx), sulphur oxides (SOx), particulate matter (PM), volatile organic compounds (VOC), and carbon dioxide (CO2) which represents greenhouse gases. Estimating emission inventory is the first step for planning effective port air quality control. Some recommendations for reducing emissions in port areas are emphasized in this paper.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2021, 15, 3; 615--620
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-8 z 8

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